81745828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{3671}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 151139520

約数和(自身を除く): 69393692

約数列:

[1, 2, 4, 19, 38, 76, 293, 586, 1172, 3671, 5567, 7342, 11134, 14684, 22268, 69749, 139498, 278996, 1075603, 2151206, 4302412, 20436457, 40872914, 81745828]

約数ペア:

[(1, 81745828), (2, 40872914), (4, 20436457), (19, 4302412), (38, 2151206), (76, 1075603), (293, 278996), (586, 139498), (1172, 69749), (3671, 22268), (5567, 14684), (7342, 11134)]